Heap-based buffer overflow in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.0 through 11.0.4; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, and 11.0; Linux RealPlayer 10; and Helix Player 10.x allows remote attackers to execute arbitrary code via an SIPR codec field with a small length value that triggers incorrect memory allocation.
https://exchange.xforce.ibmcloud.com/vulnerabilities/55797
http://www.zerodayinitiative.com/advisories/ZDI-10-008/
http://www.vupen.com/english/advisories/2010/0178
http://www.securityfocus.com/bid/37880
http://www.securityfocus.com/archive/1/509098/100/0/threaded
http://service.real.com/realplayer/security/01192010_player/en/